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Medium severity6.5NVD Advisory· Published Jul 21, 2026· Updated Aug 3, 2026

CVE-2026-63260

CVE-2026-63260

Description

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated attacker with low-privilege access can trigger a denial of service condition in Kibana by sending a specially crafted, oversized request payload. Processing this user-supplied input requires resource-intensive memory allocation that can exhaust the available heap memory in the Kibana process, causing it to crash and become unavailable to all users.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4
  • Elastic/Kibana2 versions
    cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*range: >=8.0.0,<8.19.19
    • (no CPE)
  • osv-coords2 versions
    pkg:bitnami/kibanapkg:bitnami/elk
    >= 8.0.0, < 8.19.19+ 1 more
    • (no CPE)range: >= 8.0.0, < 8.19.19
    • (no CPE)range: >= 8.0.0, < 8.19.19

Patches

Vulnerability mechanics

References

1

News mentions

0

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